杉木精油的主要化学组成为松柏醇；

The major chemical component of the oil was cedrol.

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本研究透过田口方法进行实验设计与分析，将桧木精油运用于瘦身疗程，产生出最佳瘦身效果之参数组合。

Taguchi Method was used to do experimental designs and analysis in the study. Cypress essential oil was selected to use in the slim therapy process to get the best experimental result.

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以杉木根为原料通过水蒸气蒸馏法提取杉木精油，从杉木根精油中精制提取柏木脑，再以柏木脑为原料合成甲基柏木醚。

The fir essential oil was extracted from fir root by steam distillation method, from which cedrol was extracted, and then, cedrol methyl ether was synthesized based on cedrol.

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